THE MULTNOMAH COUNTY DRAINAGE DISTRICT PROTECTS LIVES, PROPERTY AND THE ENVIRONMENT BY MAINTAINING OUR LEVEE SYSTEM, MANAGING DRAINAGE, AND RESPONDING TO EMERGENCIES.

MCDD manages the Columbia corridor drainage districts, which include:

Peninsula Drainage District #1 | Peninsula Drainage District #2
Multnomah County Drainage District #1 | Sandy Drainage Improvement Co.

 
High Water Chart Story Map Slider Levee Ready Columbia Page Live Columbia River Levee System

Levee Ready Columbia Page Live

Levee Ready Columbia web page is now live. Check it out!

Columbia River Data